NEW YORK — President Joe Biden declared the U.S. must not retreat from the world, as he delivered his final address to the U.N. General Assembly on Tuesday as Israel and Hezbollah militants in Lebanon edged toward all-out war and Israel’s bloody operation against Hamas in Gaza neared the one-year mark. [time-brightcove not-tgx=”true”] Biden used his wide-ranging address to speak to a need to end the Middle East conflict and the 17-month-old civil war in Sudan and to highlight U.S.